chore(TS): add comments to TS type methods (#49224)

components/_util/type.ts

@@ -7,6 +7,17 @@ export type AnyObject = Record<PropertyKey, any>;
 
 export type CustomComponent<P = AnyObject> = React.ComponentType<P> | string;
 
+/**
+ * Get component props
+ * @example
+ * ```ts
+ * import { Checkbox } from 'antd'
+ * import type { GetProps } from 'antd';
+ *
+ * type CheckboxGroupProps = GetProps<typeof Checkbox.Group>
+ * ```
+ * @since 5.13.0
+ */
 export type GetProps<T extends React.ComponentType<any> | object> = T extends React.ComponentType<
   infer P
 >
@@ -15,6 +26,23 @@ export type GetProps<T extends React.ComponentType<any> | object> = T extends Re
     ? T
     : never;
 
+/**
+ * Get component props by component name
+ * @example
+ * ```ts
+ * import { Select } from 'antd';
+ * import type { GetProp, SelectProps } from 'antd';
+ *
+ * type SelectOption1 = GetProp<SelectProps, 'options'>[number];
+ * // or
+ * type SelectOption2 = GetProp<typeof Select, 'options'>[number];
+ *
+ * const onChange: GetProp<typeof Select, 'onChange'> = (value, option) => {
+ *  // Do something
+ * };
+ * ```
+ * @since 5.13.0
+ */
 export type GetProp<
   T extends React.ComponentType<any> | object,
   PropName extends keyof GetProps<T>,
@@ -26,6 +54,17 @@ type ReactRefComponent<Props extends { ref?: React.Ref<any> | string }> = (
 
 type ExtractRefAttributesRef<T> = T extends React.RefAttributes<infer P> ? P : never;
 
+/**
+ * Get component ref
+ * @example
+ * ```ts
+ * import { Input } from 'antd';
+ * import type { GetRef } from 'antd';
+ *
+ * type InputRef = GetRef<typeof Input>;
+ * ```
+ * @since 5.13.0
+ */
 export type GetRef<T extends ReactRefComponent<any> | React.Component<any>> =
   T extends React.Component<any>
     ? T